CVE-2021-39935

high KEV

Published 2026-02-03 · Modified 2026-02-03

CVSS v3

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CVSS v2

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VIR risk

9.5

Description

GitLab Community and Enterprise Editions contain a server-side request forgery vulnerability which could allow unauthorized external users to perform Server Side Requests via the CI Lint API.

CISA KEV

Vendor: GitLab
Product: Community and Enterprise Editions
Due date: 2026-02-24

Predictions

Exploit likelihood

99%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://about.gitlab.com/releases/2021/12/06/security-release-gitlab-14-5-2-released/ ; https://nvd.nist.gov/vuln/detail/CVE-2021-39935

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202112-10

Exploits

OS impact

OS	Version	Status	Fixed in
arch		fixed	`14.5.2-1`

References

https://security.archlinux.org/ASA-202112-10
https://about.gitlab.com/releases/2021/12/06/security-release-gitlab-14-5-2-released/ ; https://nvd.nist.gov/vuln/detail/CVE-2021-39935

Verify integrity in audit chain (admin only). AS-IS.